Pit can refer to the following things:

• Any high walled depression in the ground. Examples include a quarry or (in Britain) a coal mine.
• The single seed in the center of a certain fruits is called a pit in American English (stone in Commonwealth English). Fruits containing such seeds include the cherry, peach, plum, olive, avocado and others.
• The data in a compact disc is encoded as a spiral track of nanometer-scale pits.
• The front ensemble or pit is the stationary percussion section of a marching band or drum corps.

As a proper noun, pit can refer to:

• Hell is also known as the bottomless pit.
• There is a card game called pit and a different one called pits
• Pit is a fictitious character who stars in the video game franchise Kid Icarus.

As an abbreviation, pit can refer to:

• The armpit, a part of the body.
• A mosh pit, a type of dancing.
• Pit bull, a type of dog.
• In auto sport , the pits is the part of a race track where pit stops are conducted.
• In a marching band, the section which does not march, usually consisting of xylophone, other mallet instruments, and/or timpani and suspended cymbal, is called the percussion pit (pit for short).
• The lowered area in front of a stage is called the orchestra pit (pit for short).
• The PIT Maneuver, short for Pursuit Intervention Technique, used during high-speed pursuits.